xorg-x11-drv-ati, on a Dell Precision T3500 (latest BIOS, A17) with a RadeonHD 7770 GPU. Running the latest up-to-date stock packages from Fedora. If I start a game like Xonotic (from the Fedora repos) or Unvanquished (latest alpha binary build downloaded from their github repo), after a minute or two of just looking around as a spectator player, I'll eventually see my computer's monitor turn off all of a sudden. Sound will continue to play for a while, then it might stop/loop. After a few seconds, the kernel will be locked up with the CapsLock LED no longer working. I was also able to trigger the bug by using the Epiphany browser with a particular website where you flip through a bunch of questions on multiple pages... More details at https://bugs.freedesktop.org/show_bug.cgi?id=93341
Also affects Fedora 25 with Wayland-based GNOME 3.22.x. These days, my way to reproduce this is simply to play videos, it doesn't need to be a GL-intensive app per se.
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Fedora 25 changed to end-of-life (EOL) status on 2017-12-12. Fedora 25 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.